Paulo withdraws the same amount from his bank account each week to pay for lunch. Over the past four weeks, he withdrew one hundred twenty dollars. Which rule best applies to determine the change in his account each week?

Question

1. The product of two positive integers is a positive integer.
2. The product of two integers with different signs is a negative integer.
3. The quotient of two positive integers is a positive integer.
4. The quotient of two integers with different signs is a negative integer.